django-orchestra/orchestra/apps/mailboxes/validators.py

63 lines
2.0 KiB
Python

import hashlib
import os
import re
from django.core.management.base import CommandError
from django.core.validators import ValidationError, EmailValidator
from django.utils.translation import ugettext_lazy as _
from orchestra.utils import paths
from orchestra.utils.system import run
from . import settings
def validate_emailname(value):
msg = _("'%s' is not a correct email name" % value)
if '@' in value:
raise ValidationError(msg)
value += '@localhost'
try:
EmailValidator()(value)
except ValidationError:
raise ValidationError(msg)
def validate_forward(value):
""" space separated mailboxes or emails """
from .models import Mailbox
destinations = []
for destination in value.split():
if destination in destinations:
raise ValidationError(_("'%s' is already present.") % destination)
destinations.append(destination)
msg = _("'%s' is not an existent mailbox" % destination)
if '@' in destination:
if not destination[-1].isalpha():
raise ValidationError(msg)
EmailValidator()(destination)
else:
if not Mailbox.objects.filter(user__username=destination).exists():
raise ValidationError(msg)
validate_emailname(destination)
def validate_sieve(value):
sieve_name = '%s.sieve' % hashlib.md5(value).hexdigest()
path = os.path.join(settings.MAILBOXES_SIEVETEST_PATH, sieve_name)
with open(path, 'wb') as f:
f.write(value)
context = {
'orchestra_root': paths.get_orchestra_root()
}
sievetest = settings.MAILBOXES_SIEVETEST_BIN_PATH % context
try:
test = run(' '.join([sievetest, path, '/dev/null']), display=False)
except CommandError:
errors = []
for line in test.stderr.splitlines():
error = re.match(r'^.*(line\s+[0-9]+:.*)', line)
if error:
errors += error.groups()
raise ValidationError(' '.join(errors))